method for installing a marine riser pipe and direct connection system for mounting a marine riser pipe

摘要

Summary "method for installing a marine riser and direct connection system for mounting a marine riser" The present invention relates to a method for installing a marine riser which includes: mounting a spool of rotation control device (rcd) to marine riser pipe; lowering the rotation control device (rcd) spool through a rotary table of a drilling rig and into an opening for operations of an offshore drilling unit; connect a hose to an upper and lower rotation control device (rcd) spool adapter in the opening for operations; and lower the rotation control device (rcd) spool and hose connected through the opening for operations. ?? ?? ?? ?? 1/1